DeFord, Ruth I.
Burn, David J, Ruth I. DeFord, and Stefan Gasch (editors). 2021. Choralis Constantinus II. CMM. American Institute of Musicology.
Burn, David J, and Ruth I. DeFord. 2019. A recently Discovered Source for Henricus Isaac's Mass Propers: Transmission and Scribal initiative in Brno, City Archive, MS 14/5. Henricus Isaac (c.1450/5-1517): Composition, Reception, interpretation, 65-105. Hollitzer, Vienna.